Soul Edge (ソウルエッジ) is a classic 3D fighting game based on the background of cold steel era, developed by Project Soul and produced by Namco in 1995. At the same time, it is also the maiden work of the entire Soulcalibur series (ソウルキャリバー シリーズ), also known as Soul series (ソウル シリーズ). In addition to pioneering a new game genre called 3D weapon combat, Soul Edge is also the first 3D FTG (fighting technology game) game to support horizontal movement design.

Tenchu (AKA: 天誅, てんちゅう) is a highly creative and classic game series that redefined the gaming experience of ninja themed games, which opened up a new world for ninja stealth action type of games. Its first work was born on SONY's PlayStation game console in 1998, and then launched on PS2, PSP, Xbox 360, NDS and so on game consoles, most of which were developed and published by Acquire from Japan. As a Japanese ninja action game that focuses on sneaking and assassinating themes, Tenchu's appearance made this type of game a hit for players around the world, and the subsequent Tenchu 3 became even more famous. So far, it has released eight works.

KCNScrew (AKA: KCNcrew Pack) is a very useful software serial number querying tool for Mac OS. With Serial Box, they are known as the two Serial Numbers/Cracks/Patches obtaining edge tools with the highest praise rate on Mac. Both functions and designs are very similar, both have the most complete and largest set of serial numbers, both have a long time of development and maintenance, both update their database almost in the middle of every month (on the 15th), and both have been updated for years.

File compression/decompression type of software is one of the indispensable tools on any computer. Since WinRAR beat WinZip and became the must-have tool for most PC users a long time ago, its usability and functionality have been naturally self-evident. Although the function is not as rich as WinRAR, but 7-Zip has become the de facto industry leader due to its free, open-source, ultra-high compression rate, and other powerful features. But now there's a new favorite in the compression software domain - Bandizip.

MahJong is a game, entertainment equipment invented by Chinese during the Qing dynasty. It consists of small rectangular blocks made of bamboo, bone or plastic, each of which is engraved with a pattern or inscription. Each pair of MahJong in North China has 136 cards, while that in South China (called sparrow/麻雀 in Guangdong, Hong Kong, Macao and Southern Fujian) has eight more cards, namely: Spring, Summer, Autumn, and Winter; Plum, Orchid, Bamboo, and Chrysanthemum, 144 cards in total. In April 2017, the International Mind Sports Association (IMSA) announced that MahJong had officially become one of the world intellectual sports program.